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/*
* Copyright (c) 2015 SDL, Radagio & R. Oudshoorn
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dd4t.providers.impl;
import com.sdl.web.api.content.BinaryContentRetriever;
import com.sdl.web.api.dynamic.BinaryContentRetrieverImpl;
import com.sdl.web.api.meta.WebBinaryMetaFactory;
import com.sdl.web.api.meta.WebBinaryMetaFactoryImpl;
import com.sdl.web.api.meta.WebComponentMetaFactory;
import com.sdl.web.api.meta.WebComponentMetaFactoryImpl;
import com.tridion.data.BinaryData;
import com.tridion.meta.BinaryMeta;
import com.tridion.meta.ComponentMeta;
import org.apache.commons.lang3.StringUtils;
import org.dd4t.contentmodel.Binary;
import org.dd4t.contentmodel.impl.BinaryDataImpl;
import org.dd4t.contentmodel.impl.BinaryImpl;
import org.dd4t.core.exceptions.ItemNotFoundException;
import org.dd4t.core.exceptions.SerializationException;
import org.dd4t.core.util.Constants;
import org.dd4t.core.util.TCMURI;
import org.dd4t.providers.BaseBrokerProvider;
import org.dd4t.providers.BinaryProvider;
import org.joda.time.DateTime;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.io.IOException;
import java.text.ParseException;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
/**
* Provides access to Binaries stored in the Content Delivery database through the Web 8
* REST client.
* Access to these objects is not cached, and as such must be cached externally.
*/
public class BrokerBinaryProvider extends BaseBrokerProvider implements BinaryProvider {
private static final Logger LOG = LoggerFactory.getLogger(BrokerBinaryProvider.class);
private static final BinaryContentRetriever BINARY_CONTENT_RETRIEVER = new BinaryContentRetrieverImpl();
private static final WebBinaryMetaFactory WEB_BINARY_META_FACTORY = new WebBinaryMetaFactoryImpl();
private static final Map FACTORY_CACHE = new ConcurrentHashMap<>();
@Override
public Binary getBinaryByURI(final String tcmUri) throws ItemNotFoundException, ParseException,
SerializationException {
final TCMURI binaryUri = new TCMURI(tcmUri);
final BinaryMeta binaryMeta = getBinaryMetaByTcmUri(binaryUri);
return getBinary(binaryUri, binaryMeta);
}
@Override
public Binary getBinaryByURL(final String url, final int publication) throws ItemNotFoundException,
SerializationException {
final BinaryMeta binaryMeta = getBinaryMetaByURL(url, publication);
TCMURI binaryUri = new TCMURI(binaryMeta.getPublicationId(), (int) binaryMeta.getId(), 16);
return getBinary(binaryUri, binaryMeta);
}
private Binary getBinary(final TCMURI binaryUri, final BinaryMeta binaryMeta) throws ItemNotFoundException {
final BinaryImpl binary = new BinaryImpl();
binary.setId(binaryUri.toString());
binary.setUrlPath(binaryMeta.getURLPath());
binary.setMimeType(binaryMeta.getType());
binary.setLastPublishedDate(getLastPublishDate(binaryUri.toString()));
// TODO: binary.setMetadata(binaryMeta.getCustomMeta().getChildren());
final BinaryDataImpl binaryDataBytes = new BinaryDataImpl();
binaryDataBytes.setBytes(getBinaryContentById(binaryUri.getItemId(), binaryUri.getPublicationId()));
binary.setBinaryData(binaryDataBytes);
return binary;
}
/**
* Retrieves the byte array content of a Tridion binary based on its TCM item id and publication id.
*
* @param id int representing the item id
* @param publication int representing the publication id
* @return byte[] the byte array of the binary content
* @throws ItemNotFoundException if the item identified by id and publication was not found
*/
@Override
public byte[] getBinaryContentById(int id, int publication) throws ItemNotFoundException {
final BinaryData binaryData = BINARY_CONTENT_RETRIEVER.getBinary(publication, id);
if (binaryData == null || binaryData.getDataSize() == 0) {
throw new ItemNotFoundException("Unable to find binary content by id: tcm:" + publication + "-" + id);
}
try {
return binaryData.getBytes().clone();
} catch (IOException e) {
// TODO: wrap in provider exception
throw new ItemNotFoundException(e);
}
}
/**
* Retrieves the byte array content of a Tridion binary based on its URL.
*
* @param url string representing the path portion of the URL of the binary
* @param publication int representing the publication id
* @return byte[] the byte array of the binary content
* @throws ItemNotFoundException if the item identified by id and publication was not found
*/
@Override
public byte[] getBinaryContentByURL(String url, int publication) throws ItemNotFoundException {
BinaryMeta binaryMeta = getBinaryMetaByURL(url, publication);
return getBinaryContentById((int) binaryMeta.getId(), binaryMeta.getPublicationId());
}
/**
* @param id int representing the item id
* @param publication int representing the publication id
* @return BinaryData the binary identified by id and publication
* @throws ItemNotFoundException if the item identified by id and publication was not found
*/
public BinaryData getBinaryDataById(int id, int publication) throws ItemNotFoundException {
return getBinaryDataById(id, publication, null);
}
/**
* @param id int representing the item id
* @param publication int representing the publication id
* @param variantId String representing the variant Id
* @return BinaryData the binary identified by id, publication and variantId
* @throws ItemNotFoundException if the item identified by id, publication and variantId was not found
*/
public BinaryData getBinaryDataById(int id, int publication, String variantId) throws ItemNotFoundException {
final BinaryData binaryData;
if (StringUtils.isEmpty(variantId)) {
binaryData = BINARY_CONTENT_RETRIEVER.getBinary(publication, id);
} else {
binaryData = BINARY_CONTENT_RETRIEVER.getBinary(publication, id, variantId);
}
if (binaryData == null) {
throw new ItemNotFoundException("Unable to find binary by id '" + id + "' and publication '" +
publication + "'.");
}
return binaryData;
}
/**
* @param url string representing the path portion of the URL of the binary
* @param publication int representing the publication id
* @return BinaryMeta the binary identified by url and publication
* @throws ItemNotFoundException if the item identified by url and publication was not found
*/
public BinaryMeta getBinaryMetaByURL(String url, int publication) throws ItemNotFoundException {
final BinaryMeta binaryMeta = WEB_BINARY_META_FACTORY.getMetaByURL(publication, url);
if (binaryMeta == null) {
throw new ItemNotFoundException("Unable to find binary by url '" + url + "' and publication '" +
publication + "'.");
}
return binaryMeta;
}
public BinaryMeta getBinaryMetaById(int publicationId, int itemId) throws ItemNotFoundException {
TCMURI binaryUri = new TCMURI(publicationId, itemId, 16);
return getBinaryMetaByTcmUri(binaryUri);
}
public BinaryMeta getBinaryMetaByTcmUri(TCMURI binaryUri) throws ItemNotFoundException {
BinaryMeta binaryMeta = WEB_BINARY_META_FACTORY.getMeta(binaryUri.toString());
if (binaryMeta == null) {
throw new ItemNotFoundException("Unable to find binary by TCMURI '" + binaryUri.toString());
}
return binaryMeta;
}
@Override
public DateTime getLastPublishDate(String tcmUri) throws ItemNotFoundException {
TCMURI binaryTcmUri = null;
try {
binaryTcmUri = new TCMURI(tcmUri);
} catch (ParseException e) {
LOG.error(e.getLocalizedMessage(), e);
}
if (binaryTcmUri == null) {
return Constants.THE_YEAR_ZERO;
}
WebComponentMetaFactory webComponentMetaFactory = FACTORY_CACHE.get(binaryTcmUri.getPublicationId());
if (webComponentMetaFactory == null) {
webComponentMetaFactory = new WebComponentMetaFactoryImpl(binaryTcmUri.getPublicationId());
FACTORY_CACHE.put(binaryTcmUri.getPublicationId(), webComponentMetaFactory);
}
final ComponentMeta binaryMeta = webComponentMetaFactory.getMeta(tcmUri);
if (binaryMeta != null && binaryMeta.getLastPublicationDate() != null) {
return new DateTime(binaryMeta.getLastPublicationDate());
}
return Constants.THE_YEAR_ZERO;
}
}
